Apple Systems (Pvt.) Ltd. is an established electrical engineering company specializing in the design, manufacture, and supply of power conditioning and control equipment for railway and industrial applications. The company’s product range includes ferro resonant type automatic AC voltage regulators, on-line inverters, transformers, track feed systems, battery chargers, B type chokes, and Tranela-15 auxiliary transformers developed for 3-phase AC locomotives. These products are engineered to provide stable voltage output, high efficiency, and reliable operation in demanding environments. Apple Systems (Pvt.) Ltd. follows stringent quality standards throughout manufacturing, from component selection to final performance testing. The company combines technical expertise, modern production facilities, and continuous innovation to meet stringent industry and railway specifications. Its solutions are widely used where uninterrupted power supply and voltage regulation are essential for safety and performance. Driven by reliability, engineering excellence, and customer satisfaction, Apple Systems (Pvt.) Ltd. has built a strong reputation as a dependable partner for advanced electrical and power system solutions.